Home / 7,631.55-11,443.34-2,700.47

Finding the Fourth Proportional to 7,631.55, 11,443.34 and 2,700.47

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Solution

The fourth proportional to 7,631.55, 11,443.34 and 2,700.47 is: 4,049.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,631.55 : 11,443.34 = 2,700.47 : x
  2. Step 2: Convert to fraction form
    7,631.55/11,443.34 = 2,700.47/x
  3. Step 3: Cross multiply
    7,631.55x = 11,443.34 × 2,700.47
  4. Step 4: Simplify right side
    7,631.55x = 30,902,431.73
  5. Step 5: Solve for x
    x = 30,902,431.73/7,631.55
  6. Step 6: Final answer
    x = 4,049.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.